{"id":105,"date":"2023-08-08T00:14:02","date_gmt":"2023-08-08T00:14:02","guid":{"rendered":"https:\/\/blogs.oregonstate.edu\/taschmidt\/?page_id=105"},"modified":"2026-01-18T03:59:08","modified_gmt":"2026-01-18T03:59:08","slug":"former-graduate-students","status":"publish","type":"page","link":"https:\/\/blogs.oregonstate.edu\/taschmidt\/sample-page-2\/research\/former-graduate-students\/","title":{"rendered":"Former Graduate Students"},"content":{"rendered":"\n<p class=\"has-dark-gray-color has-text-color has-link-color wp-elements-784156e358b527eccf07def707dce147\">Mesa Walker defended her thesis in May 2024.   Dr. Walker&#8217;s dissertation was entitled &#8220;Distinctness of two pseudo-Anosov maps&#8221;.   We wrote a paper We wrote a paper based in part on the dissertation, which has been accepted to appear in the Bulletin of the Mathematical Society of France. <\/p>\n\n\n\n<p><a href=\"https:\/\/mathematics.bartin.edu.tr\/staff\/academic-staff.html\">Ayse Yiltekin Karatas<\/a><br>defended her thesis in May 2023. Dr. Yiltekin Karatas&#8217; dissertation was entitled<br>&#8220;One-Parameter Deformations of the Bowen-Series Map Associated to Cocompact Triangle Groups&#8221;. We wrote a paper based in part on the dissertation, <a href=\"http:\/\/sites.science.oregonstate.edu\/~schmidtt\/research\/ourPapers\/yiltekin-Karatac\/schmidtYiltekinKaratac8May23.pdf\">Continuous deformation of the Bowen-Series map associated to a cocompact triangle group<\/a>, \u00a0 Geom. Dedicata <a href=\"https:\/\/mathscinet-ams-org.oregonstate.idm.oclc.org\/mathscinet\/2006\/mathscinet\/search\/publications.html?pg1=ISSI&amp;s1=498872\">218 (2024), no. 3,<\/a> Paper No. 60, 24 pp.<br><br>Dr. Yiltiken Karatas has returned to Turkey, where she is on the faculty at Bartin University.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/math.oregonstate.edu\/node\/14083\">Worapan Homsomboon<\/a><br>defended his thesis in August 2022. Dr. Homsomboon&#8217; dissertation was entitled &#8220;Explicit dynamical dystems on the Sierpinski curve&#8221;.  He published an article with that title, in <a href=\"https:\/\/mathscinet-ams-org.oregonstate.idm.oclc.org\/mathscinet\/2006\/mathscinet\/search\/journaldoc.html?id=3713\"><em>Indag. Math. (N.S.)<\/em><\/a> <a href=\"https:\/\/mathscinet-ams-org.oregonstate.idm.oclc.org\/mathscinet\/2006\/mathscinet\/search\/publications.html?pg1=ISSI&amp;s1=500658\">35 (2024), no. 3,<\/a> 407\u2013433.<br><br><a href=\"https:\/\/www.linkedin.com\/in\/brandon-edwards-772144bb\">Brandon Edwards<\/a><br>defended his thesis in March 2017, with official graduation in June 2017.<br>Dr. Edwards&#8217; dissertation was entitled &#8220;A new algorithm for computing the Veech group of a translation surface&#8221;.<br>With Masters student Slade Sanderson, we extended the results of the thesis,<br><a href=\"http:\/\/sites.science.oregonstate.edu\/~schmidtt\/research\/ourPapers\/EdwardsSanderson\/22July17edwardsSandersonS.pdf\">Canonical translation surfaces for computing Veech groups<\/a>, which appeared as<br><a href=\"https:\/\/mathscinet-ams-org.oregonstate.idm.oclc.org\/mathscinet\/2006\/mathscinet\/search\/journaldoc.html?id=3555\"><em>Geom. Dedicata<\/em><\/a> <a href=\"https:\/\/mathscinet-ams-org.oregonstate.idm.oclc.org\/mathscinet\/2006\/mathscinet\/search\/publications.html?pg1=ISSI&amp;s1=460931\">216 (2022), no. 5,<\/a> Paper No. 60, 20 pp. Springer access:\u00a0<a href=\"https:\/\/rdcu.be\/cTNfg\">Online copy<\/a>;<br>\u00a0 \u00a0 Dr. Edwards has a position with Intel Labs, researching security and privacy issues<br>related to the training and deployment of machine learning models.<\/p>\n\n\n\n<p><a href=\"https:\/\/sites.google.com\/a\/tmcc.edu\/hdo\/\">Hieu Do<\/a><br>graduated in June 2016 and is now on the faculty at Truckee Meadows Community College in Reno, Nevada.<br>In his Ph.D. work he both clarified the restrictions on trace fields of translation surfaces with SAF-zero pseudo-Anosov maps,<br>and used Rauzy-Veech graphs to determine new infinite families of SAF-zero pseudo-Anosov maps.<br>We extend some of Dr. Do&#8217;s results in<br><a href=\"http:\/\/sites.science.oregonstate.edu\/~schmidtt\/research\/sites.science.oregonstate.edu\/~schmidtt\/research\/ourPapers\/Do\/DS.pdf\">New infinite families of pseudo-Anosov maps with vanishing Sah-Arnoux-Fathi invariant<\/a>&nbsp;Journal of Modern Dynamics, vol 10, 541&#8211;561 (2016).<\/p>\n\n\n\n<p><a href=\"http:\/\/maths.sci.ku.ac.th\/staff\/staff_bio\/Katthaleeya.html\">Katthaleeya Daowsud<\/a><br>has returned to Thailand, where she is an assistant professor in the Department of Mathematics, Kasetsart University.<br>Dr. Daowsud&#8217;s (2013) dissertation title was &#8220;Continued Fractions and the Divisor at Infinity on a Hyperelliptic Curve: Examples and Order Bounds&#8221;.<br>We extend some of Dr. Daowsud&#8217;s results in&nbsp;<a href=\"http:\/\/sites.science.oregonstate.edu\/~schmidtt\/research\/ourPapers\/DaowsudSchmidt\/22Aug18CorrectingPaper.pdf\">Continued fractions for rational torsion<\/a>; J. Number Theory 189 (2018), 115&#8211;130.<\/p>\n\n\n\n<p><a href=\"http:\/\/www.math.oregonstate.edu\/people\/view\/hataset\">Tatsuhiko (Tat) Hatatse<\/a><br>is an instructor in the Department of Mathematics here at OSU.<br>Dr. Hatatse&#8217;s (2011) dissertation title was &#8220;Algebraic Pappus Curves&#8221;.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.leeuniversity.edu\/profile\/jason-schmurr\/\">Jason Schmurr<\/a><br>is an associate professor of mathematics at Lee University.<br>Dr. Schmurr&#8217;s (2008) dissertation title was &#8220;Triangular Billiards Surfaces and Translation Covers&#8221;.<br>A publication based upon this appeared as: J. Schmurr, &#8220;Translation covers among triangular billiard surfaces.&#8221; Illinois J. Math. 58 (2014), no. 3, 665-687.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.usfq.edu.ec\/programas_academicos\/colegios\/politecnico\/Paginas\/Profesores.aspx\">Andrea Moreira (Bell)<\/a><br>has returned to Ecuador, where she is a Professor and Director of the Department of Mathematics, Universidad de San Francisco de Quito.<br>Dr. Moreira&#8217;s (Dec. 2003) dissertation title was &#8220;Hilbert Modular Surfaces and Uniformizing Groups of Klein Invariants&#8221;.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cocc.edu\/employees\/kmsmith\/\">Katherine M. (Kathy) Smith<\/a><br>is a professor of mathematics at Central Oregon Community College.<br>Dr. Smith&#8217;s (2000) dissertation title was &#8220;Principal Subgroups of the Nonarithmetic Hecke Triangle Groups and Galois Orbits of Algebraic Curves&#8221;.<br>We extended the work in T.A. Schmidt and K. Smith, &#8220;Galois orbits of principal congruence Hecke curves&#8221;, J. London Math. Soc. (2) 67 (2003), 673-685.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mesa Walker defended her thesis in May 2024. Dr. Walker&#8217;s dissertation was entitled &#8220;Distinctness of two pseudo-Anosov maps&#8221;. We wrote a paper We wrote a paper based in part on the dissertation, which has been accepted to appear in the Bulletin of the Mathematical Society of France. Ayse Yiltekin Karatasdefended her thesis in May 2023. 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